noun (n)

• the aggregation of a country's military aircraft(noun.group)

  Synonym:
  air power
  

  source: wordnet30
• the operation of aircraft to provide transportation(noun.group)

  source: wordnet30
• the art of operating aircraft(noun.cognition)

  Synonym:
  airmanship
  

  source: wordnet30
• travel via aircraft(noun.act)

  Synonym:
  air, air travel
  

  source: wordnet30
• The art or science of flying.(noun)

  source: webster1913